diff options
Diffstat (limited to 'clang/lib/Headers/immintrin.h')
| -rw-r--r-- | clang/lib/Headers/immintrin.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Headers/immintrin.h b/clang/lib/Headers/immintrin.h index 642602be14e6..9bfe2fcdabdb 100644 --- a/clang/lib/Headers/immintrin.h +++ b/clang/lib/Headers/immintrin.h @@ -291,11 +291,13 @@ #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) || \ defined(__RDPID__) -/// Returns the value of the IA32_TSC_AUX MSR (0xc0000103). +/// Reads the value of the IA32_TSC_AUX MSR (0xc0000103). /// /// \headerfile <immintrin.h> /// /// This intrinsic corresponds to the <c> RDPID </c> instruction. +/// +/// \returns The 32-bit contents of the MSR. static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__, __target__("rdpid"))) _rdpid_u32(void) { return __builtin_ia32_rdpid(); |